package cn.edu.scau.cmi.ZengLinghong.chapter05;

public class Tixing {
	double above,bottom,height;
	Tixing(double a, double b, double h){
		above=a;
		bottom=b;
		height=h;
	}
	double getArea() {
		return (above+bottom)*height/2;
	}
}
